Installation Procedure
- NOTE:
Clean any debris from guide support.
Timing Chain Guide (1) - Install
Bolt (1, 2) - Loosen [2x]
- Slide the 2 EN-52461-1 Holder (3) out of the camshaft sprockets.
Loosen the 2 bolts (1, 4) of EN-52461-100 Adapter Cam Phaser Torque Reaction Tool (5).
- Remove the EN-52461 Cam Phaser Torque Reaction Tool (5) along with the 2 EN-52461-100 Adapter Cam Phaser Torque Reaction Tool (2, 3) from the engine.
Remove the EN-52462-A Camshaft Tool (1) by rotating the levers in direction of arrows.
Loosen and disengage the bolt (2) from EN-52462-A Camshaft Alignment Tool (1).
- EN-52462-A Camshaft Alignment Tool (1) - Remove
Clean and apply sealant to the camshaft cover opening plugs (1). Adhesives, Fluids, Lubricants, and Sealers
- Camshaft Cover Opening Plug (1) - Install and tighten [2x] - Camshaft Timing Chain Replacement (LSY, RWD, with V03) , or Camshaft Timing Chain Replacement (LSY, without V03)
Engine Wiring Harness (2) - Reposition
- Retainer (1) - Install [3x]
- Clean all sealing surfaces.
- NOTE:
- The timing chain upper cover sealing surface must be free of contamination prior to applying the sealer.
- Install and align the timing chain upper cover to engine block within 10 minutes of applying the sealer.
- The timing chain upper cover must be fastened to final torque specification within 15 minutes of applying the sealer.
- Ensure proper use of room temperature vulcanizing (RTV) sealant. Use of Room Temperature Vulcanizing (RTV) and Anaerobic Sealant
Apply approximately a 5 mm (0.2 in) thick bead of sealant (2) on both sides between the camshaft housing and the cylinder head. Adhesives, Fluids, Lubricants, and Sealers .
- Check that the 2 Pins (1) are in the camshaft housing or in the timing chain upper cover.
Timing Chain Upper Cover Seal (1) - Install NEW
- Timing Chain Upper Cover (2) - Install
Timing Chain Upper Cover Bolt (2, 3) - Install and tighten in sequence [12x] - Timing Chain Upper Cover Replacement
Camshaft Position Actuator Magnet Gasket (3) - Install NEW
- Camshaft Position Actuator Valve Solenoid (2) - Install
- Camshaft Position Actuator Valve Solenoid Bolt (1) - Install [2x] - Camshaft Position Actuator Valve Solenoid Replacement - Intake
Camshaft Position Actuator Magnet Gasket (3) - Install NEW
- Camshaft Position Actuator Valve Solenoid (2) - Install
- Camshaft Position Actuator Valve Solenoid Bolt (1) - Install [2x] - Camshaft Position Actuator Valve Solenoid Replacement - Exhaust
Engine Wiring Harness (3) - Reposition
- Retainer (1) @ Timing Chain Upper Cover (2) - Engage [6x]
- Connect the 2 electrical connectors to the camshaft position actuator valve solenoids.
Evaporative Emission Canister Purge Tube (2) - Install
- Connect the quick disconnects (1) and install the retainer (3). Plastic Collar Quick Connect Fitting Service
Intake Manifold Cover (1) @ Upper Intake Manifold Bracket (2) - Install
- NOTE:
Ensure the engine sight shield retainers fully engage the intake manifold cover studs.
Push down on the front of the intake manifold cover (1).
- Fill the engine oil to the proper level with NEW engine oil. Engine Oil and Oil Filter Replacement
- Install the oil fill cap.
- Connect the battery. Battery Negative Cable Disconnection and Connection
- Perform the engine oil life reset. GM Oil Life System Resetting (Without Scan Tool) , or GM Oil Life System Resetting (With Scan Tool)
- Check for leaks.
Refer to Fastener Caution .